Maskinsäkerhet

Kommittébeteckning: SIS/TK 247 (Träbearbetningsmaskiner och -verktyg)
Källa: CEN
Svarsdatum: den 25 nov 2024
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This document specifies the safety requirements and measures for horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws) with manual loading and/or unloading of the workpiece and capable of continuous production use, hereinafter referred to also as “machines”.

Kommittébeteckning: SIS/TK 608 (Transportörer och Staplingskranar)
Källa: CEN
Svarsdatum: den 30 nov 2024
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This document specifies electrical and flammability safety requirements for general purpose conveyor belts not intended for use in underground installations and a means of categorizing conveyor belts in terms of the level of safety sought in their end use application. This document does not provide electrical safety requirements for volume resistance which may be measured by the methods in EN ISO 21178 and which is relevant to some types of light conveyor belts. This document is not applicable to conveyor belts which are manufactured before the date of publication of this document by CEN. NOTE 1 Directive 94/9/EC concerning equipment and protective systems intended for use in potentially explosive atmospheres can be applicable to the type of machine or equipment covered by this document. The present standard is not intended to provide means of complying with the essential health and safety requirements of Directive 94/9/EC, this being covered in EN 14973. NOTE 2 prEN 12882 is not a product standard but is intended to help users of conveyor belts to select the required electrical and flammability safety properties needed following a suitable risk assessment. No requirements are, therefore, included for marking, information to be supplied, etc., these matters being covered in relevant product standards such as EN ISO 14890 and EN ISO 1523-1.

Kommittébeteckning: SIS/TK 254 (Järnväg, tunnelbana och spårväg)
Källa: CEN
Svarsdatum: den 2 dec 2024
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This document provides the method to characterize and classify the quality of track geometry based on parameters defined in EN 13848-1:2019. This document also specifies different track geometry classes. This document does not: - apply to lines with a nominal gauge less than 1 435 mm; - specify requirements for Urban Rail Systems.

Kommittébeteckning: SIS/TK 228 (Lantbruksmaskiner)
Källa: CEN
Svarsdatum: den 9 dec 2024
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This document specifies safety requirements and their verification for the design and construction of front loaders designed to be mounted on agricultural and forestry tractors (as defined in the Regulation EU 167/2013). It deals with all significant hazards, hazardous situations and events relevant to front loaders when used as intended and under the conditions of misuse which are reasonably foreseeable. This includes hazards related to the handling of unit loads during operations (for example, using bale forks), hazards related to mounting/demounting the lifting arms to/from the frame mounted on the tractor, and also hazards related to devices for mounting/demounting attachments to/from the lifting arms. In addition, it specifies the type of information on safe working practices. Hazards related to the mounted attachments with or without powered functions are excluded, as well as hazards related to visibility and those related to the mobile elevating work platform applications to a front loader, because the front loader is not designed to lift and/or transport people. Front loaders with fully or partially self-evolving behaviour or logic and/or with varying levels of autonomy are also excluded. Environmental aspects, other than noise, have not been considered in this document. This document is not applicable to front loaders which are manufactured before the date of its publication as EN.

Kommittébeteckning: SIS/TK 212 (Handhållna skogsmaskiner)
Källa: CEN
Svarsdatum: den 9 dec 2024
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This document specifies safety requirements and their verification for the design and construction of front loaders designed to be mounted on agricultural and forestry tractors (as defined in the Regulation EU 167/2013). It deals with all significant hazards, hazardous situations and events relevant to front loaders when used as intended and under the conditions of misuse which are reasonably foreseeable. This includes hazards related to the handling of unit loads during operations (for example, using bale forks), hazards related to mounting/demounting the lifting arms to/from the frame mounted on the tractor, and also hazards related to devices for mounting/demounting attachments to/from the lifting arms. In addition, it specifies the type of information on safe working practices. Hazards related to the mounted attachments with or without powered functions are excluded, as well as hazards related to visibility and those related to the mobile elevating work platform applications to a front loader, because the front loader is not designed to lift and/or transport people. Front loaders with fully or partially self-evolving behaviour or logic and/or with varying levels of autonomy are also excluded. Environmental aspects, other than noise, have not been considered in this document. This document is not applicable to front loaders which are manufactured before the date of its publication as EN.

Kommittébeteckning: SIS/TK 267 (Lyftplattformar)
Källa: CEN
Svarsdatum: den 29 dec 2024
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This document specifies safety requirements and measures for all types and sizes of Mobile Elevating Work Platform (MEWP, see 3.1) intended to move persons to working positions where they are carrying out work from the work platform (WP) with the intention that persons are getting on and off the work platform only at access positions at ground level or on the chassis.

Kommittébeteckning: SIS/TK 254 (Järnväg, tunnelbana och spårväg)
Källa: ISO
Svarsdatum: den 11 jan 2025
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This document provides general terms and definitions for systems, products and services as used in standards related to the railway sector. Excluded from the scope of this document are terms and definitions related to those electrotechnical and electronic products and services for railways which are within the scope of standards of IEC/TC 9.

Kommittébeteckning: SIS/TK 254 (Järnväg, tunnelbana och spårväg)
Källa: ISO
Svarsdatum: den 18 jan 2025
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This document specifies methodologies for calculation of braking performance for railway rolling stock and is applicable to all countries.

This document describes the general algorithms/formulae using mean value inputs to perform calculations of brake equipment and braking performance in terms of stopping/slowing distances, stationary braking, power and energy for all types of rolling stock, either as single vehicles or train formations, with respect to the braking distance.

The calculations can be used at any stage of the assessment process (design, manufacture, testing, verification, investigation, etc.) of railway rolling stock. This document does not set out the specific acceptance criteria (pass/fail).

This document is not intended to be used as a design guide for selection of brake systems and does not specify performance requirements. This document does not provide a method to calculate the extension of stopping distances when the level of available adhesion is exceeded (wheel slide activity).

This document contains examples of the calculation of brake forces for different brake equipment types and calculation of stopping distance and stationary braking relevant to a single vehicle or a train.